Welcome to

OS GIKEN

RACING PRODUCTS

HIGH PERFORMANCE DRIVETRAIN PRODUCTS PROUDLY MADE IN JAPAN

We are here to help you

GO FASTER

Our experts will custom tune your OS Giken Super Lock LSD to put the power down when and where you need it.

Give us a call and ask us about your unique racing needs. We are here to help!

Learn more

OS-250R Gear Oil

Treat your OS SuperLock LSD to the best gear oil available. Find out why!

Learn More

An LSD Custom Tuned for You

Have a unique build or style of race? We can custom tune your OS SuperLock LSD to work for your specific motorsport application.

Get Tuned

Which Clutch is Right for Me?

Explore our clutch product line and let us help you select the perfect OS Giken clutch for you.

Explore